.black_overlay{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: black;
  z-index: 3;
  -moz-opacity: 0.15;
  opacity: .15;
}
.white_content{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  z-index: 999;
  margin: 0;
  padding: 0;
  overflow: hidden;
  width: 48px;
  height: 43px;
  border-radius: 4px;
  box-sizing: border-box;
}
.loadImg{
  background-color: #fff;
  width: 100%;
  height: 100%;
  display: block;
  vertical-align: top;
}
.loadImg img{
  width: 100%;
  height: 100%;
  display: block;
  vertical-align: top;
}
